Glossary

Maritime glossary, terms beginning with I (page 5)

All maritime glossary terms that begin with the letter I, drawn from every subject section. 2628 entries.

Showing 250 of 2628 terms (page 5 of 11).

In Situ Observation D5. Coastal processes, sea-level, cryosphere and ocean observation science: Direct measurement at a location.
In Situ Preservation F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Conservation principle of leaving wrecks where found.
In Situ Refloat X167. Major Salvage Companies, Wreck Removals, and Equipment: Salvage strategy of refloating a casualty at the grounding site rather than dismantling.
In situ resource (tidal) X57. Ocean Energy Beyond Wind: Energy flux through a given cross section of a tidal channel, distinct from technically recoverable resource.
In stays X3. Ship Handling, Seamanship and Deck Vocabulary: Sailing vessel head to wind during tacking.
In transit cargo C1. Commercial shipping, chartering, economics and finance: Cargo carried under through bills of lading.
In trim X3. Ship Handling, Seamanship and Deck Vocabulary: Properly loaded for good seakeeping.
In Water Survey (IWS) X5. Marine Surveying and Inspection: Class accepted survey of underwater hull performed afloat by divers.
In-block outfitting X58. Shipbuilding Yards and Construction: Installation of pipework, equipment, and cabling inside blocks before erection.
In-bond X6. Container, Intermodal and Trade Codes: Customs status allowing cargo to move under bond without duty payment.
In-fill reclamation X175. Port Engineering, Dredging, Breakwaters, and Quays: Reclamation in which dredged sand is placed within a perimeter bund to create new land.
In-House Agency X86. Port Agency, Husbandry and Disbursement: Agency function operated by a shipping line within its own corporate structure.
In-house broker X71. Shipbrokers and Brokerage Firms: Broker employed by a principal rather than an independent firm.
In-Line Amplifier X91. Submarines and Submarine Cable Systems: Optical repeater housing along a submarine cable to boost signal strength.
In-line blender X47. Marine Fuel Quality and ISO 8217: Equipment that combines base streams during loading to achieve a sales specification without batch tank mixing.
In-line blending X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Mixing components during transfer rather than in a static tank.
In-line cable plough X122. Submarine Cable Laying, Repair Vessels and Operators: Towed seabed plough that simultaneously trenches and lays cable, with SMD HD3 and ASN's plough family delivering up to 3 m burial.
In-Line Inspection (ILI) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Use of intelligent pigs to assess pipeline wall thickness, geometry, and integrity from inside the line.
In-Line Pump X63. Marine Auxiliary Machinery and Pumps: Pump with suction and discharge nozzles aligned on the same axis for installation in straight pipework.
In-line SCR X69. EGCS Scrubbers, SCR and Marine Air Emissions: SCR reactor mounted directly in the exhaust line between engine and silencer.
In-line Tee X14. Offshore Oil and Gas Marine Operations: Subsea tee for tying flowlines into a main pipeline.
In-Motion Antenna X68. Maritime Satcom and Telecommunications: Antenna designed to maintain a satellite link while the vessel is underway.
In-pavement lighting X15. Ports, Terminals and Stevedoring: embedded LEDs marking AGV paths.
In-Port Security Detachment E2. Naval, defence and maritime law enforcement: Force protection team during port visits.
In-scene Communications X80. Maritime Search and Rescue Coordination: Voice or data links among SRUs operating in the search area.
In-Service Inspection X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Periodic survey of cables and pipelines after commissioning to detect exposures, free spans, or third-party damage.
In-service oil X61. Marine Lubricants and Cylinder Oils: Lubricant sample drawn from operating equipment for condition monitoring analysis.
In-Service Repair X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Cable repair conducted on a live system using bypass cables and final splice procedures.
In-Service Survey X43. Marine Surveying and Warranty Surveying: Any inspection performed while the vessel remains in commercial service rather than in shipyard or laid-up condition.
In-situ Burning X13. Marine Salvage and Wreck Removal: Controlled ignition of contained oil slick as primary response technique.
In-situ density X124. Dredging Industry and Reclamation Contractors: Bulk density of seabed before dredging, key payment parameter.
In-Situ Honing X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Cylinder liner restoration technique using portable hones to recondition the running surface without liner removal.
In-tank blending X149. Marine Fuels, Bunkering, and Alternative Fuels: Blending two fuels by loading them into the same ship tank; widely discouraged due to compatibility risk.
In-transit cold treatment (ICT) X26. Reefer Containers and Cold Chain Logistics: APHIS-approved on-board cold treatment under USDA SET protocol.
In-Water Cleaning A3. Marine environmental legislation: MARPOL and its annexes: Addressed under MEPC.378(80) BWM and AFS interface guidelines.
In-water cleaning (IWC) X18. Ballast Water, Biofouling and Antifouling: Cleaning of ships' underwater surfaces while afloat.
In-Water Decompression X82. Saturation Diving and Offshore Diving Operations: Decompression stops performed in the water rather than in a chamber.
In-water show X35. Yacht and Superyacht Industry: Boat show staged with floating exhibits at a marina rather than indoors.
In-water survey C2. Ship operations, crewing and technical management: Class survey of the underwater hull in lieu of dry docking.
INA Institute of Naval Architects X162. Naval Architecture, Stability, Resistance, and Structural Design: Predecessor (founded London 1860) of the Royal Institution of Naval Architects, granted Royal status in 1960.
Inboard X3. Ship Handling, Seamanship and Deck Vocabulary: Toward the centerline; on the inside of the ship.
Inboard End X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Bitter end of the anchor cable secured inside the chain locker.
Inboard Engine X103. US Inland Waterway Towing and Barge: A diesel engine mounted within the hull of a towboat as opposed to an outboard installation.
Inboard equipment X32. Marine Pilotage and Pilot Operations: Securing arrangements on the ship's deck for pilot ladder side ropes.
Inboard Performance System (IPS) X90. Marine Engine Specific Model Enumeration: Volvo Penta forward-facing twin propeller pod drive system used with D-Series marine diesels.
Inboard Profile X11. Naval Vessels, Warship Systems and Naval Architecture: Naval architecture drawing showing internal arrangements.
Inboard sea chest X19. Engine Room Watchkeeping and UMS Operations: Sea water inlet cofferdam with strainer, isolation valve, and steam blow.
Inboard shaft bearing X38. Propellers, Stern Gear and Shaft Lines: Intermediate bearing inside the engine room, usually a white-metal, oil-ring or oil-bath plain bearing.
Inboard Shaft Bonding X67. Marine Electrical Systems and Shore Power: Brush or slip ring assembly grounding the propeller shaft to prevent stray current corrosion.
Inboard Skidding Cantilever X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Cantilever skidding system enabling drilling across multiple platform wells.
Inbound pilot X32. Marine Pilotage and Pilot Operations: Pilot taking ships from sea pilot station inward to berth or anchorage.
Inbound vessel X15. Ports, Terminals and Stevedoring: vessel arriving at the port.
Incat X24. Cruise, Passenger Ship and Ferry Operations: Australian shipbuilder of wave-piercing aluminum catamaran fast ferries.
Incat 130 m X132. High-Speed Craft, Hydrofoils and Ferry Operators: Largest Incat platform, including the LNG-fuelled Hull 096 for Buquebus.
Incat Tasmania X132. High-Speed Craft, Hydrofoils and Ferry Operators: Hobart-based aluminium catamaran builder founded in 1977 by Robert Clifford.
Ince X114. Maritime Arbitration and Shipping Law Firms: Ince Gordon Dadds, London shipping firm trading until 2023 when its successor Axiom Ince entered administration.
Ince & Co X51. Maritime Arbitration, Law and BIMCO Clauses: A historic London shipping law firm, which entered administration in 2019 with parts of the practice continuing under successor firms.
Inch Cape X42. Offshore Wind Installation and Cable Lay: UK offshore wind project off Angus, developed by ESB and Red Rock Power.
Inchcape Bunker Brokerage X72. Bunkering Hubs and Bunker Suppliers: Bunker brokerage arm of Inchcape Shipping Services.
Inchcape Cargo Inspection X86. Port Agency, Husbandry and Disbursement: Cargo inspection brand within Inchcape Shipping Services.
Inchcape Marine X43. Marine Surveying and Warranty Surveying: The marine inspection and survey arm of the Inchcape Shipping Services group providing port-based attendance worldwide.
Inchcape Procure to Pay X86. Port Agency, Husbandry and Disbursement: Inchcape's procure-to-pay service for managing maritime spend and disbursements.
Inchcape Project Services X104. Project Cargo Forwarders and Heavy Transport: Project logistics arm of Inchcape Shipping Services delivering port-based project support.
Inchcape Rock X39. Pre-1900 Maritime History: Sandstone reef off the Angus coast on which the Bell Rock Lighthouse was built by Robert Stevenson between 1807 and 1810.
Inchcape Shipping Services X86. Port Agency, Husbandry and Disbursement: Port agency group headquartered in London and Dubai, founded in 1847.
Incheon X92. Marine Steel Suppliers and Shipbuilding Plate: HD Hyundai Steel and Dongkuk Steel plate mill location on the west coast of South Korea.
Incheon Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: KMPA branch serving the Port of Incheon and the western Korean approaches, including the tidal lock at the New Port.
Inchmaree Clause X53. Marine Insurance, P&I and Hull Clauses: A hull clause originating from the Inchmaree case, extending cover to losses caused by latent defects in machinery and certain crew negligence.
Inchon Port Authority X138. Global Container Terminal Operators and Port Equipment: South Korean state corporation operating Incheon New Port with 4.3 million TEU handled in 2023.
Incidence Curve X41. Cruise Ship Public Health and VSP/USPH: Epidemiologic plot of new AGE cases over time, used to distinguish point-source from propagated outbreaks.
Incident X12. Maritime Casualties and Investigation: Marine event short of a casualty that could have led to one, sometimes called a near miss.
Incident (marine) X163. Marine Accident Investigation Agencies and Landmark Inquiries: Event or sequence of events, other than a marine casualty, that has occurred directly in connection with the operations of a ship that endangered or, if not corrected, would have endangered the…
Incident Action Plan X13. Marine Salvage and Wreck Removal: Operational document under ICS covering one operational period.
Incident Commander X48. Maritime Cybersecurity: Person leading response to a cyber incident on a ship or in a shipping company.
Incident investigation X59. Offshore Wind O&M, CTVs and SOVs: Structured root cause analysis carried out after a near miss, lost time injury, or equipment damage event.
Incident investigation report C2. Ship operations, crewing and technical management: Internal report into a marine incident.
Incident Replay X109. Maritime Autonomous Surface Ships and MASS Code: The use of recorded autonomy logs to reconstruct a past event in support of investigation and safety case updates.
Incident Report X80. Maritime Search and Rescue Coordination: Final documented account of a SAR case prepared by the SMC.
Incident Report Form X22. Piracy, Maritime Security and Armed Protection: Standard form used by UKMTO and IMB to capture attack details.
Incident Reporting X75. IMDG Code, Classes, Packing and Segregation: SOLAS VII regulation 7 1 and MARPOL Annex III obligations to report dangerous goods incidents.
Incident Response X107. Maritime Cybersecurity and OT Security: Organized approach to addressing and managing the aftermath of a cyber security breach.
Incident Response Plan X25. Maritime Cybersecurity, OT and IT: Documented procedures for detecting, containing and recovering from cyber incidents.
Incident Response Plan (IRP) X139. Maritime Cybersecurity, OT Threats and Standards: Documented procedure required by NIST CSF RS and applied via the shipboard SMS.
Incidental Cable Damage Report X91. Submarines and Submarine Cable Systems: Industry record of cable faults caused by anchors, trawls, or natural hazards.
Incineration of Slop Residues X50. Ship Recycling, Demolition and Hong Kong Convention: The high-temperature thermal disposal of cargo and bunker slops, restricted under several yard environmental permits.
Incinerator X19. Engine Room Watchkeeping and UMS Operations: Onboard waste burner certified to MEPC.244(66) Standard Specification.
Incinerator (marine) B2. Marine Engineering: Onboard waste incinerator per MEPC.244(66).
Incinerator (Reg 16 Annex VI) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary: A shipboard facility for combustion of waste, governed by MARPOL Annex VI Reg 16, with prohibited substances listed in paragraph 2 including PCBs and refined petroleum products with halogens.
Incinerator Ashes (Category E Annex V) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary: Garbage category for residues produced from shipboard incineration of garbage, prohibited from sea discharge except specifically authorized residues outside special areas.
Inclined shaft X38. Propellers, Stern Gear and Shaft Lines: Shaft line installed at an angle to the baseline, common on fast craft to reduce hull penetration depth.
Inclining experiment B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: Test determining KG per IS Code 2008.
Inclining Test X104. Project Cargo Forwarders and Heavy Transport: Vessel test confirming stability before loading or after major modification.
Inco-NAV X73. Marine Hydrography, Charting and ENC: Generic shorthand for inconsistent navigational information across multiple ENC producers.
Incompatibility X75. IMDG Code, Classes, Packing and Segregation: Property of two substances to react dangerously, addressed by IMDG segregation provisions.
Inconel X100. Marine Cathodic Protection and Anodes: A nickel-chromium alloy family with potential near +0.10 V vs Ag/AgCl that behaves as a cathode in typical marine couples.
Incorporation Clause X51. Maritime Arbitration, Law and BIMCO Clauses: A provision in a bill of lading or subcontract incorporating terms of the head contract by reference.
Increased Value (IV) X4. Marine Insurance, P&I and Claims: separate cover topping up hull values, restricted by ITC Hulls 1/10/83 clause 21.
Increased Value Insurance X53. Marine Insurance, P&I and Hull Clauses: A separate policy covering the difference between insured value and market value, often used to avoid prejudicing primary hull claims.
Incremental hull resistance B1. Naval Architecture: Resistance increment from fouling and roughness.
Incurrence Covenant X49. Ship Finance, Leasing and Maritime Capital Markets: Covenant that is tested only when defined actions are taken, typical of high yield bonds.
Indar Shaft Generator X67. Marine Electrical Systems and Shore Power: Permanent magnet and induction shaft generators built by Indar Electric of Spain, part of the Ingeteam group.
Indefatigable, HMS X39. Pre-1900 Maritime History: Razee frigate famous under Sir Edward Pellew in the 1790s.
Indegy X107. Maritime Cybersecurity and OT Security: OT security platform now branded as Tenable.OT after Tenable's 2019 acquisition.
Indemnity A5. Maritime Law, private and commercial: Letter of indemnity, used for instance to obtain delivery without an original bill of lading.
Indemnity Claim X114. Maritime Arbitration and Shipping Law Firms: Recovery action under charterparty indemnity provisions typically referred to arbitration.
Indemnity Clause X51. Maritime Arbitration, Law and BIMCO Clauses: A contractual promise to hold the other party harmless against specified losses.
Indemnity for Salvor Negligence X60. Marine Salvage and Wreck Removal: Provision in salvage law limiting salvor liability for incidental damage during a bona fide salvage attempt.
Indemnity letter C1. Commercial shipping, chartering, economics and finance: Letter undertaking liability in lieu of original document production.
Indemnity Principle X53. Marine Insurance, P&I and Hull Clauses: The principle that marine insurance is a contract of indemnity, restricting recovery to actual loss subject to agreed value provisions.
Indented quay X58. Shipbuilding Yards and Construction: Quay with finger piers permitting parallel berthing of multiple vessels for outfitting.
Indenture Trustee X49. Ship Finance, Leasing and Maritime Capital Markets: Trustee acting under a US style bond indenture.
Independence X152. Maritime Arbitration and Dispute Resolution: Requirement that the arbitrator have no relationship with the parties that compromises judgment, addressed in IBA Guidelines and most institutional rules.
Independence (FSRU) X110. LNG Bunkering Infrastructure and Vessels: Floating storage and regasification unit at Klaipeda, Lithuania, supporting regional LNG supply and bunker operations.
Independence class X11. Naval Vessels, Warship Systems and Naval Architecture: USN LCS-2 trimaran littoral combat ship.
Independence of the investigation X163. Marine Accident Investigation Agencies and Landmark Inquiries: Casualty Investigation Code principle that marine safety investigation should be impartial and independent of any other form of investigation.
Independence of the Seas X64. Cruise Industry Operators, Brands and Ships: Royal Caribbean Freedom-class ship delivered in 2008.
Independent Adjuster X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: Adjuster instructed jointly by ship and cargo interests for an impartial general average adjustment.
Independent Agency X86. Port Agency, Husbandry and Disbursement: Privately owned agency firm operating outside a global network.
Independent ice navigation X27. Polar Code, Ice Navigation and Polar Operations: Navigation in ice without icebreaker assistance.
Independent Investigation Power X51. Maritime Arbitration, Law and BIMCO Clauses: The arbitrators' authority under section 34 of the English Arbitration Act 1996 to direct procedure and evidence, subject to party agreement.
Independent Leg Cantilever Jackup X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Jackup with three independent legs and a cantilever-mounted drill floor for over-platform drilling.
Independent Observer (Fisheries) X87. Fishing Vessels and Fisheries Management: Trained personnel placed aboard fishing vessels to record catch, effort, and compliance under RFMO and national programs.
Independent pilotage X32. Marine Pilotage and Pilot Operations: Pilotage by pilots organized as a self-employed cooperative rather than employed by an authority.
Independent surveyor C2. Ship operations, crewing and technical management: P&I or charterer surveyor attending operations.
Independent tank X56. LNG/LPG Carriers and IGC Code: Cargo tank that is structurally separate from the ship hull, transferring loads only at defined support points.
Independent Tank Type A X20. LNG Operations and Custody Transfer: Prismatic atmospheric tank requiring complete secondary barrier; common on LPG carriers.
Independent Tank Type B X20. LNG Operations and Custody Transfer: Self-supporting tank with partial secondary barrier; Moss and SPB designs.
Independent Tank Type C X20. LNG Operations and Custody Transfer: Pressure vessel (typically cylindrical or bilobe) used on small-scale LNG carriers and LNG bunker barges.
Independent Variable Load Jackup X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Jackup design class with high variable deck load supporting extended drilling campaigns.
Independent Verification X69. EGCS Scrubbers, SCR and Marine Air Emissions: Class or recognized organization survey of EGCS continuous emission monitoring data.
Independent Wire Rope Core (IWRC) X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Steel wire rope core inside a larger wire rope giving higher strength and crush resistance than a fibre core, dominant in modern wire moorings.
Index Calculation Methodology X44. Shipping Indices, FFAs and Freight Markets: Documented procedure governing how the Baltic Exchange or other publishers compute each daily route or composite value.
Index correction (IC) X16. Nautical Science, Navigation and COLREGs: Error of the sextant determined by the index error test.
Index error X16. Nautical Science, Navigation and COLREGs: Sextant error when the true reading should be zero.
Index linked C1. Commercial shipping, chartering, economics and finance: Charter hire linked to a published freight index.
Index Provider X44. Shipping Indices, FFAs and Freight Markets: Organization that publishes a freight index, including the Baltic Exchange, Shanghai Shipping Exchange, Drewry, Freightos, Xeneta, and Ningbo Shipping Exchange.
Index Settlement X44. Shipping Indices, FFAs and Freight Markets: Reference value used to determine the floating leg of an FFA contract for a specific period.
India Cable Landing Stations X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Mumbai, Chennai, Kochi, and other coastal landings hosting systems including SEA-ME-WE, BBG, MIST, and 2Africa.
India Flag F5. The Reference Layer: Glossary, Units, Signals and Information Sources: International Code of Signals letter I, meaning "I am altering my course to port."
India PSC X66. Port State Control and Regional MOUs: Indian Ocean MOU member; PSC conducted by Directorate General of Shipping.
India Recycling of Ships Act 2019 X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: National law incorporating the Hong Kong Convention into Indian law and giving the Director General of Shipping primary oversight.
India Shipping Arbitration X114. Maritime Arbitration and Shipping Law Firms: Practice administered by the Indian Council of Arbitration and the Mumbai Centre for International Arbitration.
Indiaman F1. Maritime History: Generic term for British, Dutch, Danish, and French East India Company vessels.
Indian Arbitration and Conciliation Act 1996 X152. Maritime Arbitration and Dispute Resolution: Indian statute based on the UNCITRAL Model Law, governing arbitrations seated in India including maritime references administered by the Indian Council of Arbitration.
Indian Council of Arbitration X114. Maritime Arbitration and Shipping Law Firms: New Delhi institution administering maritime arbitrations under its Maritime Arbitration Rules.
Indian Endurance, The [1998] AC 878 X143. Landmark Maritime Law Cases and Doctrines: House of Lords held that issue estoppel applied between in rem and in personam admiralty proceedings.
Indian Flag (Russia Oil) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: India became the largest seaborne buyer of Russian crude in 2023, prompting price-cap compliance scrutiny of Indian-flagged and chartered tonnage.
Indian Flag Conversion X28. Ship Recycling and End-of-Life: Re-flagging to India for inland beaching transactions.
Indian Institute of Port Management Kolkata X121. Maritime Education, Academies and Universities: IIPM, founded 1983, training port management cadres under the Ministry of Ports, Shipping and Waterways.
Indian Maritime Foundation (IMF) X160. Maritime Academies, Universities, and STCW Certification: Indian non-profit promoting maritime awareness, careers, and education across Indian schools and colleges.
Indian Maritime Safety Branch X163. Marine Accident Investigation Agencies and Landmark Inquiries: See DDG (Maritime Safety), DG Shipping India.
Indian Maritime University X21. STCW Certificates, Crewing and Seafarer Welfare: IMU, central university in India delivering DGS approved MET.
Indian Maritime University (IMU) X160. Maritime Academies, Universities, and STCW Certification: Statutory central university established in 2008 by an Act of the Indian Parliament with headquarters at Chennai and campuses at Mumbai Port, Mumbai Powai, Visakhapatnam, Kolkata, Kochi, Chennai…
Indian Maritime University Kochi Campus X121. Maritime Education, Academies and Universities: Former School of Nautical Science and Engineering, now IMU Kochi.
Indian Maritime University Kolkata Campus X121. Maritime Education, Academies and Universities: Hosts the Marine Engineering and Research Institute MERI heritage facility.
Indian Maritime University Mumbai Port Campus X121. Maritime Education, Academies and Universities: Former LBS College of Advanced Maritime Studies and Research, IMU Mumbai Port.
Indian Maritime University TS Chanakya X121. Maritime Education, Academies and Universities: Former Training Ship Chanakya at Karave, Navi Mumbai, integrated into IMU 2008 as IMU Navi Mumbai Campus.
Indian Maritime University Visakhapatnam Campus X121. Maritime Education, Academies and Universities: Former National Ship Design and Research Centre training arm absorbed into IMU.
Indian National Hydrographic Office X73. Marine Hydrography, Charting and ENC: INHO, at Dehradun, producer of IN-prefix charts and ENCs.
Indian Navigators Institute X55. Marine Simulators, Training and Maritime Academies: DGS-approved Indian MTI providing officer-level competency courses.
Indian Navy MRCC X80. Maritime Search and Rescue Coordination: Indian Navy coordinated MRCC complementing Indian Coast Guard SAR centres.
Indian Ocean Dipole (IOD) D1. Physical and chemical oceanography and marine meteorology: Coupled ocean-atmosphere mode with SST anomalies across the tropical Indian Ocean.
Indian Ocean HRA X22. Piracy, Maritime Security and Armed Protection: Original BMP designated area extending from Suez to 78 degrees East and 10 degrees South.
Indian Ocean MoU A7. Compliance, certification and enforcement: PSC regime for the Indian Ocean region.
Indian Ocean MoU Information System (IOCIS) X146. Port State Control Regimes, MoUs, and Inspection Systems: The PSC database of the Indian Ocean MoU members.
Indian Oil Corporation (IOCL) Vetting X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: India's largest refiner's marine vetting team screening tankers calling Paradip, Chennai, Mundra, and Vadinar.
Indian Oil Marine X72. Bunkering Hubs and Bunker Suppliers: Bunker arm of Indian Oil Corporation supplying bunkers at JNPT, Mumbai, Chennai, Kochi, Kolkata, and Visakhapatnam.
Indian Recycling of Ships Act 2019 X50. Ship Recycling, Demolition and Hong Kong Convention: The Indian national legislation aligning Alang-Sosiya operations with the Hong Kong Convention requirements.
Indian Register of Shipping X7. Flag State, Port State Control and Detention Vocabulary: IRS, IACS member headquartered in Mumbai.
Indian Register of Shipping (IRClass) X5. Marine Surveying and Inspection: IACS member classification society.
Indian Register of Shipping (IRS) X8. IACS, Class Rules and Class Notations: IACS member since 2010, headquartered Mumbai.
Indian Seafarers Welfare X154. Maritime Welfare, Seafarer Charities, and MLC Rights: Welfare coordinated by NUSI, MUI, and the Directorate General of Shipping's Seafarer Welfare Cell.
Indian Ship Breaking Code 2013 X50. Ship Recycling, Demolition and Hong Kong Convention: The earlier Indian regulatory framework superseded by the Recycling of Ships Act 2019 and its rules.
Indian Ship Recycling Code 2024 X28. Ship Recycling and End-of-Life: National implementing rules for the HKC under the Recycling of Ships Act 2019.
Indian Ship Registry X98. Ship Registries and Flag States: National registry administered by DG Shipping under the Merchant Shipping Act 1958.
Indicated firm X71. Shipbrokers and Brokerage Firms: Indication elevated to a binding firm offer.
Indicated Power Pi X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Power developed inside the cylinder calculated from indicator diagram mean effective pressure and engine speed.
Indication X29. Ship Sale and Purchase, Management Contracts and Valuation: Non-binding price level given by broker pending firm offer.
Indication (Indic) X17. Chartering, Shipbroking and Freight Trading: Non-binding rate or terms suggested before a firm offer.
Indicator cock X19. Engine Room Watchkeeping and UMS Operations: Cylinder cock used for blowing through and connecting indicator instrument.
Indicator diagram X19. Engine Room Watchkeeping and UMS Operations: Pressure crank angle trace from peak pressure indicator used to assess cylinder condition.
Indicator diagram (PV) B2. Marine Engineering: Cylinder pressure-volume diagram for performance.
Indicator microbes X18. Ballast Water, Biofouling and Antifouling: D-2 regulated organisms: Vibrio cholerae O1 and O139, E. coli, and intestinal enterococci.
Indicator of Compromise (IOC) X139. Maritime Cybersecurity, OT Threats and Standards: Forensic artifact such as IP address or file hash; the US CERT TA17-181A report listed NotPetya IOCs used by responders.
Indicator power B2. Marine Engineering: Power computed from indicator diagram before friction losses.
Indicator power trial B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: Engine indicator diagram during trial.
Indicators of Compromise X48. Maritime Cybersecurity: Forensic artifacts such as hashes, domains, or registry keys that point to known threats.
Indigo X91. Submarines and Submarine Cable Systems: Submarine cable system linking Singapore and Australia, ready for service in 2019, supplied by SubCom.
Indirect cooling system B2. Marine Engineering: Closed fresh-water loop cooled by central seawater coolers.
Indirect Drain X41. Cruise Ship Public Health and VSP/USPH: Plumbing arrangement with an air gap between the equipment outlet and the receiving drain.
Indirect land use change (ILUC) X34. Decarbonization, Alternative Fuels and Carbon Pricing: Land conversion driven by biofuel demand; affects WtT emission factors under RED II.
Indirect Loss X4. Marine Insurance, P&I and Claims: consequential loss generally excluded from marine policies.
Indirect Mode X30. Tug Operations and Harbour Towage: Escort technique in which the tug presents its hull at an angle to the flow, generating hydrodynamic lift on a towline ahead of the assisted ship, typically at 6 to 12 knots.
Indirect Mode Steering Force X137. Harbour Tugs, Towage Operators and Tug Builders: Lateral force certified in the escort notation, typically reported at 8 and 10 knots.
Indirect SCR X69. EGCS Scrubbers, SCR and Marine Air Emissions: SCR arranged with separate mixing duct and reductant injection ahead of the catalyst.
Indirect Towage Mode X137. Harbour Tugs, Towage Operators and Tug Builders: Escort mode in which the tug uses its hull as a hydrofoil to generate steering force, often exceeding static bollard pull.
Indium Activator X100. Marine Cathodic Protection and Anodes: The trace indium addition that prevents passivation of Al-Zn-In sacrificial anodes in seawater.
Individual Transferable Quota (ITQ) X10. Marine Biology, Fisheries and Oceanography: Tradable fishing quota allocated to individuals or vessels.
Individual Vessel Quota (IVQ) X87. Fishing Vessels and Fisheries Management: Allocation tied to a specific vessel that cannot be freely transferred without the vessel.
Indivisible Load X104. Project Cargo Forwarders and Heavy Transport: Load that cannot be separated into smaller parts without disproportionate cost or damage.
Indo-Bangladesh Protocol Route X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping: The set of inland waterway routes (8 routes, with 11 ports of call) agreed under the 1972 Protocol between India and Bangladesh.
Indo-Pacific bottlenose dolphin X10. Marine Biology, Fisheries and Oceanography: *Tursiops aduncus*.
Indonesian archipelagic waters X122. Submarine Cable Laying, Repair Vessels and Operators: UNCLOS Part IV designated routes constraining cable installation through Bifrost, SEA-ME-WE 6 and other trans-Indonesia systems.
Indonesian Ship Registry X98. Ship Registries and Flag States: National registry administered by the Directorate General of Sea Transportation under the Ministry of Transportation.
Indonesian Throughflow (ITF) D1. Physical and chemical oceanography and marine meteorology: Flow of Pacific water to the Indian Ocean through the Indonesian archipelago.
Indra X74. AIS Data, Vessel Tracking and Maritime Intelligence: Spanish technology firm supplying VTS systems to ports and coastal authorities.
Induced drag (foil) B1. Naval Architecture: Drag due to trailing-vortex circulation.
Induced seismicity (CCS) X57. Ocean Energy Beyond Wind: Possibility of small earthquakes triggered by fluid injection, monitored at offshore storage sites.
Induced velocity X38. Propellers, Stern Gear and Shaft Lines: Velocity field induced by the propeller on its own and the surrounding flow, central to lifting-line and lifting-surface theory.
Inducer X63. Marine Auxiliary Machinery and Pumps: Axial pre-impeller fitted ahead of a centrifugal impeller to improve suction performance.
Induction X59. Offshore Wind O&M, CTVs and SOVs: Formal site briefing covering hazards, emergency procedures, and local rules for all personnel before first attendance.
Induction lubrication X61. Marine Lubricants and Cylinder Oils: Concept describing the controlled introduction of oil into the combustion chamber by timed injection.
Induction training X21. STCW Certificates, Crewing and Seafarer Welfare: Pre-joining and onboard familiarization required by STCW I/14 and the ISM Code.
Indus West Pipeline X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Subsea gas pipeline serving Pakistan's offshore exploration.
Industeel X92. Marine Steel Suppliers and Shipbuilding Plate: ArcelorMittal subsidiary producing specialty plate and grades under brands such as Creusabro and Industeel Inox.
Industrial Action Advisory X86. Port Agency, Husbandry and Disbursement: Notice from the agent on strikes affecting port operations.
Industrial Blast X88. Marine Surface Preparation and Coatings Application: Surface preparation grade defined in SSPC-SP 14, intermediate between commercial and brush-off blast.
Industrial Boiler X63. Marine Auxiliary Machinery and Pumps: Common term for large oil-fired marine auxiliary or steam plant boilers.
Industrial Control System X48. Maritime Cybersecurity: Computer based system that monitors or controls physical processes such as propulsion, cargo handling, or ballast.
Industrial Demilitarized Zone (IDMZ) X139. Maritime Cybersecurity, OT Threats and Standards: Buffer between IT and OT environments per ISA-95 and IEC 62443-3-2.
Industrial Fishery X87. Fishing Vessels and Fisheries Management: Large scale capture fishery using mechanized vessels and gear, often distant water or factory based.
Industrial Heritage of Shipyards F2. Maritime Culture, Heritage, Archaeology, Art and Museums: ERIH-listed yards including Harland and Wolff.
Industrial Hygiene Plan, Yard X50. Ship Recycling, Demolition and Hong Kong Convention: The HKC-mandated workplace exposure monitoring scheme for asbestos, lead, and other regulated substances.
Industrial IoT (IIoT) E3. Technology, digitalization and smart shipping: Networked sensors in engine room and cargo systems.
Industrial Maritime Carriers X81. Project Cargo, Heavy-Lift and Module Carriers: US-based project carrier brand of Intermarine.
Industrial Package IP-1 X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: Class 7 package providing the lowest containment level for low specific activity material and surface contaminated objects.
Industrial Package IP-2 X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: Class 7 package that must withstand the free drop and stacking tests in 6.4.15.
Industrial Package IP-3 X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: Class 7 package meeting all Type A package tests except as relaxed.
Industrial personnel (Polar Code) X27. Polar Code, Ice Navigation and Polar Operations: Considered in Polar Code 1.2 definitions for offshore service vessels.
Industrial Reach Project Logistics (IRSL) X104. Project Cargo Forwarders and Heavy Transport: Geodis project industrial division branding used in some regions.
Industrial Steam Era F1. Maritime History: Mid-nineteenth century shift from sail to steam propulsion in long-distance trades.
IndustriALL Global Union X118. Ship Recycling Yards, Beaches and Regulation: Geneva-based global federation of industrial unions, active in Alang and Chittagong on shipbreaking worker welfare.
Industroyer X25. Maritime Cybersecurity, OT and IT: Malware used in the December 2016 Ukrainian power grid attack, attributed to Sandworm.
Industroyer2 X25. Maritime Cybersecurity, OT and IT: 2022 variant targeting Ukrainian electricity substations.
INENC X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Indian Electronic Navigational Charts produced by the Indian Naval Hydrographic Office in Dehradun and distributed via several international ENC services.
INEOS Britannia X84. Yacht Racing, Regattas and Sailing Governance: The British America's Cup challenger of record for AC37, finishing as challenger and losing 7-2 to Emirates Team New Zealand in Barcelona 2024.
INEOS Energy X57. Ocean Energy Beyond Wind: Operator that leads the Greensand CCS project in the Danish North Sea and is active in UK CCS clusters.
INEOS Greensand X34. Decarbonization, Alternative Fuels and Carbon Pricing: Lead operator of the Danish Greensand CO2 storage project.
Inert Anode X100. Marine Cathodic Protection and Anodes: An ICCP anode such as MMO or platinized titanium that delivers current with negligible consumption.
Inert Condition Verification X5. Marine Surveying and Inspection: Confirmation that tanks are within inert atmosphere parameters.
Inert gas X15. Ports, Terminals and Stevedoring: nitrogen or flue gas blanketing chemical or oil tanks during transfer.
Inert gas blower X19. Engine Room Watchkeeping and UMS Operations: Flue or generator gas blower delivering inert gas to cargo tanks.
Inert gas generator X19. Engine Room Watchkeeping and UMS Operations: Combustion based inert gas plant for chemical and product tankers.
Inert Gas Survey X155. Marine Surveying Practice and Cargo Inspection: An inspection of the inert gas system on a tanker, including oxygen content checks before tank entry and during cargo operations.
Inert gas system C2. Ship operations, crewing and technical management: IGS, system inerting tanker cargo tanks.
Inert Gas System (IGS) A2. Maritime safety legislation: SOLAS and its codes: Required on tankers under SOLAS II-2/16.
Inert Gas System (IGS) Verification X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The SIRE chapter verification of generator, scrubber, deck seal, and oxygen alarms.
Inert gas system casualty lessons X163. Marine Accident Investigation Agencies and Landmark Inquiries: Recurring theme in tanker casualty investigations including Bow Mariner addressing inerting practice during tank cleaning.
Inert Gas System Survey X86. Port Agency, Husbandry and Disbursement: Survey of inert gas systems on tankers coordinated by the agent.
Inert gas system test B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: Trial of IG composition and flow.